Hanoi

Hanoi, often just referred to as The Capital, is the capital and second-largest city of Vietnam. It covers an area of 3,359.82 km2 (1,297.2 sq mi). [It consists of 12 urban districts, one district-levelled town and 17 rural districts. It is located within the Red River Delta of Northern Vietnam.
Hanoi’s history goes back to the third century BCE, when a portion of the modern-day city served as the capital of the historic Vietnamese nation of Âu Lạc. Following the collapse of Âu Lạc, the city was part of Han China.
A major tourist destination in Vietnam, Hanoi offers well-preserved French colonial architecture, religious sites dedicated to Buddhism, Catholicism, Confucianism and Taoism, several historical landmarks of Vietnamese imperial periods, and a large number of museums. The Central Sector of the Imperial Citadel of Thăng Long in Ba Dinh District was recognized as a UNESCO World Heritage Site in 2010.